Table Of Contents
Megajoule to calories Conversion
1 megajoule (MJ) is equal to 239005.7361 calories (cal).
1 MJ = 239005.7361 cal
or
1 cal = 0.000004184 MJ
Formula
To convert a energy from megajoule (MJ) to calories (cal), multiply the energy in megajoule by 239005.7361
e(cal) = e(MJ) × 239005.7361
Examples:
Convert 50 megajoule to calories:
e(cal) = 50MJ × 239005.7361 = 11950286.81 cal
Conversion table
| Megajoule (MJ) | Calories (cal) |
|---|---|
| 1 MJ | 239005.736137667 cal |
| 2 MJ | 478011.472275335 cal |
| 3 MJ | 717017.208413002 cal |
| 5 MJ | 1195028.680688337 cal |
| 10 MJ | 2390057.361376673 cal |
| 20 MJ | 4780114.722753346 cal |
| 25 MJ | 5975143.403441682 cal |
| 50 MJ | 1.1950286806883365e7 cal |
| 100 MJ | 2.390057361376673e7 cal |
| 250 MJ | 5.9751434034416825e7 cal |
| 500 MJ | 1.1950286806883365e8 cal |
| 1000 MJ | 2.390057361376673e8 cal |
| Calories (cal) | Megajoule (MJ) |
|---|---|
| 1 cal | 4.184e-6 MJ |
| 2 cal | 8.368e-6 MJ |
| 3 cal | 1.2552e-5 MJ |
| 5 cal | 2.092e-5 MJ |
| 10 cal | 4.184e-5 MJ |
| 20 cal | 8.368e-5 MJ |
| 25 cal | 1.046e-4 MJ |
| 50 cal | 2.092e-4 MJ |
| 100 cal | 4.184e-4 MJ |
| 250 cal | 0.001046 MJ |
| 500 cal | 0.002092 MJ |
| 1000 cal | 0.004184 MJ |
Frequently asked questions
How do I convert megajoule to calories?
Multiply the value in megajoule by 239005.7361 to get the result in calories. For example, 5 MJ × 239005.7361 = 1195028.680688337 cal.
How many calories are in 1 megajoule?
1 megajoule (MJ) is equal to 239005.736137667 calories (cal).
How do I convert calories back to megajoule?
Use the inverse operation: divide the value in calories by 239005.7361 to get the result in megajoule.
How accurate is the megajoule to calories conversion?
The converter multiplies by the conversion factor 239005.7361 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- NIST Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically (NIST SP 811, 2008 edition)
- NIST Guide to the SI (SP 811), Footnotes (notes 22 and 23)
- CODATA Value: electron volt-joule relationship (NIST Fundamental Physical Constants)